public IActionResult ViewDetail(int id)
{
var detailView = (from st in studentRepository.Gets().ToList()
join cl in classRepository.Gets().ToList() on st.CategoryId equals cl.CategoryId
where cl.CategoryId == id
select new DetailViewModel()
{
Id = st.Id,
nameCake = st.nameCake,
ThanhPhan = st.ThanhPhan,
Hsd = st.Hsd,
Nsx = st.Nsx,
GiaBan = st.GiaBan,
DaXoa = st.DaXoa,
CategoryId = st.CategoryId,
CategoryName = cl.CategoryName
}).ToList();
return(View(detailView));
}